Retail Digital takes a look at the top five Fortune 500 retail companies TAGS: Anna Sui, Asda, City Market, Dillons, Forbes, fortune, Frank Blake, Fred Meyer, Home Depot, Jean Paul Gaultier, Kroger, Lowe, Olympics, Ralphs, Shaun White, Target, top retailers, Walmart Walmart Kroger Costco Home Depot Target 1. Walmart Today, Walmart is the world's largest public corporation by revenue, according to Forbes. It also ranked number one in the Fortune 500 list of companies. Walmart runs a chain of warehouse stores and large discount department stores, including UK giant Asda. It has more than 8,986 retail units and operates